/Engine/Source/Runtime/MovieSceneTracks/Public/Systems/MovieSceneEventSystems.h
Systems that triggers events based on one-shot FMovieSceneEventComponent components Works by iterating all pending instances of TMovieSceneComponentIDand triggering inline. Does not dispatch any async tasks
class UMovieSceneEventSystem : public [UMovieSceneEntitySystem](API\Runtime\MovieScene\EntitySystem\UMovieSceneEntitySystem)